259 Zeilen
		
	
	
	
		
			7,5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			259 Zeilen
		
	
	
	
		
			7,5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Zend Framework
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|  *
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|  * LICENSE
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|  *
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|  * This source file is subject to the new BSD license that is bundled
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|  * with this package in the file LICENSE.txt.
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|  * It is also available through the world-wide-web at this URL:
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|  * http://framework.zend.com/license/new-bsd
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|  * If you did not receive a copy of the license and are unable to
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|  * obtain it through the world-wide-web, please send an email
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|  * to license@zend.com so we can send you a copy immediately.
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|  *
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|  * @category   Zend
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|  * @package    Zend_Validate
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|  * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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|  * @license    http://framework.zend.com/license/new-bsd     New BSD License
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|  * @version    $Id$
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|  */
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| 
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| /**
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|  * @see Zend_Validate_Abstract
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|  */
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| require_once 'Zend/Validate/Abstract.php';
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| 
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| /**
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|  * @category   Zend
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|  * @package    Zend_Validate
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|  * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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|  * @license    http://framework.zend.com/license/new-bsd     New BSD License
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|  */
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| class Zend_Validate_Date extends Zend_Validate_Abstract
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| {
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|     const INVALID        = 'dateInvalid';
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|     const INVALID_DATE   = 'dateInvalidDate';
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|     const FALSEFORMAT    = 'dateFalseFormat';
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| 
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|     /**
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|      * Validation failure message template definitions
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|      *
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|      * @var array
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|      */
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|     protected $_messageTemplates = array(
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|         self::INVALID        => "Invalid type given. String, integer, array or Zend_Date expected",
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|         self::INVALID_DATE   => "'%value%' does not appear to be a valid date",
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|         self::FALSEFORMAT    => "'%value%' does not fit the date format '%format%'",
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|     );
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| 
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|     /**
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|      * @var array
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|      */
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|     protected $_messageVariables = array(
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|         'format'  => '_format'
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|     );
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| 
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|     /**
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|      * Optional format
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|      *
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|      * @var string|null
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|      */
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|     protected $_format;
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| 
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|     /**
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|      * Optional locale
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|      *
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|      * @var string|Zend_Locale|null
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|      */
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|     protected $_locale;
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| 
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|     /**
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|      * Sets validator options
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|      *
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|      * @param  string|Zend_Config $options OPTIONAL
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|      * @return void
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|      */
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|     public function __construct($options = array())
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|     {
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|         if ($options instanceof Zend_Config) {
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|             $options = $options->toArray();
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|         } else if (!is_array($options)) {
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|             $options = func_get_args();
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|             $temp['format'] = array_shift($options);
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|             if (!empty($options)) {
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|                 $temp['locale'] = array_shift($options);
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|             }
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| 
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|             $options = $temp;
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|         }
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| 
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|         if (array_key_exists('format', $options)) {
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|             $this->setFormat($options['format']);
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|         }
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| 
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|         if (!array_key_exists('locale', $options)) {
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|             require_once 'Zend/Registry.php';
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|             if (Zend_Registry::isRegistered('Zend_Locale')) {
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|                 $options['locale'] = Zend_Registry::get('Zend_Locale');
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|             }
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|         }
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| 
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|         if (array_key_exists('locale', $options)) {
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|             $this->setLocale($options['locale']);
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|         }
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|     }
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| 
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|     /**
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|      * Returns the locale option
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|      *
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|      * @return string|Zend_Locale|null
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|      */
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|     public function getLocale()
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|     {
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|         return $this->_locale;
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|     }
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| 
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|     /**
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|      * Sets the locale option
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|      *
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|      * @param  string|Zend_Locale $locale
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|      * @return Zend_Validate_Date provides a fluent interface
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|      */
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|     public function setLocale($locale = null)
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|     {
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|         require_once 'Zend/Locale.php';
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|         $this->_locale = Zend_Locale::findLocale($locale);
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|         return $this;
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|     }
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| 
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|     /**
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|      * Returns the locale option
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|      *
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|      * @return string|null
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|      */
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|     public function getFormat()
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|     {
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|         return $this->_format;
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|     }
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| 
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|     /**
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|      * Sets the format option
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|      *
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|      * @param  string $format
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|      * @return Zend_Validate_Date provides a fluent interface
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|      */
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|     public function setFormat($format = null)
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|     {
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|         $this->_format = $format;
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|         return $this;
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|     }
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| 
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|     /**
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|      * Defined by Zend_Validate_Interface
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|      *
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|      * Returns true if $value is a valid date of the format YYYY-MM-DD
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|      * If optional $format or $locale is set the date format is checked
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|      * according to Zend_Date, see Zend_Date::isDate()
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|      *
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|      * @param  string|array|Zend_Date $value
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|      * @return boolean
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|      */
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|     public function isValid($value)
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|     {
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|         if (!is_string($value) && !is_int($value) && !is_float($value) &&
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|             !is_array($value) && !($value instanceof Zend_Date)) {
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|             $this->_error(self::INVALID);
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|             return false;
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|         }
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| 
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|         $this->_setValue($value);
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| 
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|         if (($this->_format !== null) || ($this->_locale !== null) || is_array($value) ||
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|              $value instanceof Zend_Date) {
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|             require_once 'Zend/Date.php';
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|             if (!Zend_Date::isDate($value, $this->_format, $this->_locale)) {
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|                 if ($this->_checkFormat($value) === false) {
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|                     $this->_error(self::FALSEFORMAT);
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|                 } else {
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|                     $this->_error(self::INVALID_DATE);
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|                 }
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|                 return false;
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|             }
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|         } else {
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|             if (!preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) {
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|                 $this->_format = 'yyyy-MM-dd';
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|                 $this->_error(self::FALSEFORMAT);
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|                 $this->_format = null;
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|                 return false;
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|             }
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| 
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|             list($year, $month, $day) = sscanf($value, '%d-%d-%d');
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| 
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|             if (!checkdate($month, $day, $year)) {
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|                 $this->_error(self::INVALID_DATE);
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|                 return false;
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|             }
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|         }
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Check if the given date fits the given format
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|      *
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|      * @param  string $value  Date to check
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|      * @return boolean False when date does not fit the format
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|      */
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|     private function _checkFormat($value)
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|     {
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|         try {
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|             require_once 'Zend/Locale/Format.php';
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|             $parsed = Zend_Locale_Format::getDate($value, array(
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|                                                   'date_format' => $this->_format, 'format_type' => 'iso',
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|                                                   'fix_date' => false));
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|             if (isset($parsed['year']) and ((strpos(strtoupper($this->_format), 'YY') !== false) and
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|                 (strpos(strtoupper($this->_format), 'YYYY') === false))) {
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|                 $parsed['year'] = Zend_Date::getFullYear($parsed['year']);
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|             }
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|         } catch (Exception $e) {
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|             // Date can not be parsed
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|             return false;
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|         }
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| 
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|         if (((strpos($this->_format, 'Y') !== false) or (strpos($this->_format, 'y') !== false)) and
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|             (!isset($parsed['year']))) {
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|             // Year expected but not found
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|             return false;
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|         }
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| 
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|         if ((strpos($this->_format, 'M') !== false) and (!isset($parsed['month']))) {
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|             // Month expected but not found
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|             return false;
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|         }
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| 
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|         if ((strpos($this->_format, 'd') !== false) and (!isset($parsed['day']))) {
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|             // Day expected but not found
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|             return false;
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|         }
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| 
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|         if (((strpos($this->_format, 'H') !== false) or (strpos($this->_format, 'h') !== false)) and
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|             (!isset($parsed['hour']))) {
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|             // Hour expected but not found
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|             return false;
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|         }
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| 
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|         if ((strpos($this->_format, 'm') !== false) and (!isset($parsed['minute']))) {
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|             // Minute expected but not found
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|             return false;
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|         }
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| 
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|         if ((strpos($this->_format, 's') !== false) and (!isset($parsed['second']))) {
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|             // Second expected  but not found
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|             return false;
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|         }
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| 
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|         // Date fits the format
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|         return true;
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|     }
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| }
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